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Nowadays, there are so many products of undersink hot water heaters in the market and you are wondering to choose a best one. You have searched for undersink hot water heaters in many merchants, compared about products prices & reviews before deciding to buy them.
You are in RIGHT PLACE.
Here are some of best sellings undersink hot water heaters which we would like to recommend with high customer review ratings to guide you on quality & popularity of each items.
28,687 Reviews Scanned
Bosch Electric Mini-Tank Water Heater Tronic 3000 T 2.5-Gallon (ES2.5)- Eliminate Time for Hot Water – Shelf, Wall or Floor Mounted
- CONVENIENT HOT WATER HEATER: 2.5 gallon point-of-use mini-tank fits under your sink to provide hot water right where you need it. Thermal efficiency is 98%. Dimensions : 13.75 W x 13.75 H x 10.75 D Inches
- LONG LASTING QUALITY: This electric water heater is easy to maintain and has premium glass-lined material for a long service life. (Amps 12A, Volts (VAC) 120)
- INDEPENDENT INSTALLATION: 36-37″ cord plugs into a 120 volt outlet for independent installation or in-line with a large hot water source
- FAST RECOVERY RATE: Eliminates long waits for hot water at your sink, get on demand hot water at your every need (supplies up to 2 sinks at a time)
- EASILY MOUNTED: Can be shelf, wall or floor mounted (bracket included)
- simply tap into the cold water line and install the water heater directly at the sink to provide hot water
Get hot water where it’s needed, when it’s needed with the Bosch ES4 Tronic 3000 T Electric water heater. This 2.5-gallon capacity point-of-use mini-tank fits right under your sink and provides a practical and effective solution to your hot water needs. This smaller model can be plugged right into a 120-volt outlet with the 36-37″ cord, or can be installed in-line with a larger hot water source to provide “on-demand” use. The glass-lined tank offers great insulation and added durability, while the heater’s fast recovery rate eliminates long waits for hot water. An external dial allows you to easily control the temperature range, and the temperature-and-pressure relief valve enhances your safety. The ES4 Tronic 3000 T from Bosch has a sleek and attractive exterior design that blends in seamlessly with existing décor when installed in a visible location, making this heater a great option in any room.
ECOTOUCH Electric Tankless Water Heater Point-of-Use Hot Water Heater Digital Display for Energy Efficiency 5.5kW at 240V, White
- 【INSTANT & SUFFICIENT HOT WATER】Applied with 5.5KW heating system, the electric water heater supplies instant, consistent and endless hot water of 116℉or higher temp shortly, no waiting for preheat nor terrible temp up & down, perfect companion for sinks. Time to get rid of those “lukewarm” toys.
- 【SMART SELF ADJUSTMENT】The hot water heater adjusts power input based on flow rate and temp setting in real time. For example, less power will be applied by the system when waterflow reduced, thus you still get ideal temperature instead of scalding hot water, which means comfortable experience. Optimal energy efficiency of 98% saves considerable electric charge.
- 【CONVENIENT USE】The tankless water heater comes with digital display & touch control panel so temp setting is easy job. Now turn on the tap and let the smart unit do the rest, you needn’t go through hard lesson about temp setting by a mixer tap without any hint. The Black model comes with Remote control, useful for installation under sink.
- 【SAFE and DURABLE】Applied with multiple protection devices, every piece goes through strict tests to ensure 100% safe. Inner water and electricity lines are designed to run separately so as to avoid leakage or harm of scale build up. Approval by ETL and qualifies for UL, you can expect outstanding performance for years to come.
- 【POINT of USE】The sleek tankless water heater is compact as an oatmeal box, making it possible to install anywhere close to outlet and avoid energy waste. It can be mounted horizontally, vertically, obliquely, ideal for kitchen, bar, school, hospital, community and hair salon. Please verify it is the right size for you: 5.5kW@240V
- dimensions 11″ x 7.5″ x 2.35″
- pipes fittings :1/2″ NPT.
FEATURES
Instant hot water comes with powerful 5.5kW heating element, expect hot water for 3 seconds, perfect choice for sinks to provide endless hot water any time.
ENERGY SAVING
This tankless water heater avoids standby heat loss of those bulky storage water heaters, minimize energy waste and achieve 65% energy saving with help of its smart self adjustment technology.
HEALTHY WATER QUALITY
Traditional bulky water tanks store water for long time, causing bacterial growth and rust issue, time to get clean water via a tankless hot water heater. The ECOTOUCH unit separates water and electricity line so as to avoid issue of calcium deposits.
MULTIPLY SAFETY PROTECTIONS
Over temperature protection
Dry heating protection
Leakage protection
Water and electricity line separated
EASY INSTALLATION
Real compact design, water heater cooridates with scenes decor, above sink or under sink water heater, horizontally, vertically or obliquely installation. Comes with easy installation brackets, pipe fitting of 1/2″ NPT and 12AWG power cord(fixed to the unit) so you don’t to have to hire a plumber even if you can do it.
SPECIFICATIONS
Power: 5.5kW
Voltage: 240V~60Hz
Min. water flow to activate the unit: 0.475GMP
Max tempt rise from 67°F to 120°F @ 1GPM
Max. Amperage: 23A
Recommended wire size: 12AWG
Required circuit breaker : 1x 2-Pole 30 AMP
KINDLY NOTE
1.The unit is mainly for sinks, not for shower purpose.
2.The tankless water heater should be installed professionally.
3.Please read instruction manual carefully prior to installation and use!
PACKAGE INCLUDES
1X ECOTOUCH 5.5kW instant water heater
1X Instruction manual and warranty card
1X Installation accessories
1X Remote control(for Black model)
EASYG 110V 8L Electric Hot Water Heater Tankless 110V Kitchen Bathroom Home 55℃-75℃ USA
- 【Intelligent】It is a directly heating type with high efficiency and low power heating tube, which can take advantage of the thermal energy maximally. The temperature can be adjusted between 131℉-167℉/55℃-75℃ optionally, and the power will be off automatically when the set temperature is achieved
- 【Convenience】It can be installed in the kitchen, rest room, bathroom or any other places you want optionally because of its characteristics of small area, strong applicability and convenient installation
- 【applicability】Its total power is 1500w and it has multiple installation methods. It is applicable for different water pressure of different areas, especially for families which are located on higher floors with low water
- 【Safety and environmental protection】This product uses green environmental material, which is qualified for international standard, and satisfies difficulties of hot water supply for multiple places, easily solves issues such as face washing, bathing, vegetable washing and dish washing.
- 【Please Note】Please use it after adding water, do not dry boil without water, otherwise, the over-temperature protection will be opened and it can work normally after the overtemperature protection is reset.
Extensive applications
This is a lightweight electric water heater with a perfect combination of inner quality and classical appearance, which applies for multiple demands of different families.
This product uses green environmental material, which is qualified for international standard, and satisfies difficulties of hot water supply for multiple places, easily solves issues such as face washing, bathing, vegetable washing and dish washing.
It can be installed in the kitchen, rest room, bathroom or any other places you want optionally because of its characteristics of small area, strong applicability and convenient installation.
Easy to use
It is a directly heating type with high efficiency and low power heating tube, which can take advantage of the thermal energy maximally. The temperature can be adjusted between 86℉-149℉/30℃-65℃ optionally, and the power will be off automatically when the set temperature is achieved. Its total power is 1500w and it has multiple installation methods. It is applicable for different water pressure of different areas, especially for families which are located on higher floors with low water pressure.
Technical parameter
- Rated voltage: 110V 60HZ
- Rated power: 1500W
- Temperature adjustment scope: 131℉–167℉ / 55℃– 75℃
- Minimum water pressure: 0.02MPa
- Water-Proof level: IPX4
- Product demension: 11.4″x9.8″x15.7″ / 29x25x40cm
- N.W.: 6.6lbs / 3kg
- G.W.: 8.2lbs / 3.7kg
Package include
- 1x Body of Water Heater
- 1x Operation Manual
- 1x Pressure Relief Tube
- 1x Pressure Relief Valve
- 1x Screw Kit
Funwill Electric Mini-Tank Water Heater Household Kitchen Electrical Hot Water 2-Gallon (USA Shipping)
- 【MINI WATER HEATER】Size:9.4*8.2*13 inch,2.5 gallon point-of-use . The wire size takes 31.49 inch .For small sink. Easy to install and eficient.The hot water systems is applicable for different water pressure of different areas, especially for families which are located on higher floors with low water pressure.
- 【ENERGY SAVING】The Mini heater total power is 1500w, which heats up quickly and saves heating time.One-piece compact insulation, up to 5-6cm insulation layer, temperature drop, reducing energy consumption.The temperature can be adjusted between 55℃– 75℃ optionally, and the power will be off automatically when the set temperature is achieved.
- 【STAINLESS STEEL HEATING TUBE】The water heater adopts 316 stainless steel pipe, which can reach 1400 degree working temperature and has strong anti-pollution ability, which can adapt to various complicated water quality environments.
- 【FASHIONABLE AND SPACE-SAVEING】The small hot water tank can be placed in the space exquisitely.Can be installed in the kitchen, rest room, bathroom or any other places you want optionally.The mini hot water tank uses green environmental material, which is qualified for international standard, and satisfies difficulties of hot water supply for multiple places, easily solves issues such as face washing, bathing, vegetable washing and dish washing.
- 【SAFETY】Moisture-proof and splash-proof: One-piece molding, strong and reliable, preventing environmental erosion in the bathroom kitchen. Overpressure protection: When the pressure of the liner exceeds the safety rated pressure, the safety relief valve automatically relieves pressure to protect the liner and your safety. Prevent dry burning: When the inner tank is dry and dry, the secondary insulation protection immediately cuts off the power supply and automatically stops working.
Umiwe Mini Electric Tankless Instant Water Heater 110V 3000W – Automatic Power-Off – Easy Installation
- [Instant Heat]: Instant heating, you can use hot water at will, 3400W rated power output without slot electric water heater eliminates waiting for a long time.
- [Multiple Protection]: Leakage protection, IPX4 waterproof, dry heating protection, water and electricity isolation, automatic power off in inactive state, over temperature automatic power off.
- [Stable Temperature]: It has a constant temperature control function, which can adjust the water temperature freely through the water flow, and the operation is simple, and the liquid crystal digital temperature is displayed.
- [Important Information]: Be sure to pass water and then power on when installing! The device is only suitable for 110 volts! Size: 7.87 x 4.13 inches.
- [Easy to Install]: Easy to install in any bathroom or kitchen sink, no space, mini compact, for washing dishes, washing vegetables, washing clothes, washing your face and more.
Product Specifications:
Power: 3000W
Plug: 10A
Voltage: 110V
Rated frequency: 50/60Hz
Rated pressure: 0.4-0.6Mpa
Waterproof rating: IPX4
Temperature: 30-45 degrees Celsius
Material: stainless steel housing
Interface: International 4 points caliber
Color: black, gold, red, white (optional)
Size: approx. 20 x 10.5cm / 7.87”x 4.13”
Package weight: approx. 1142 g / 40.28 g
Package Included:
Electric water heater *1
Instruction manual*1
Screw *2
Note:
1.Please note that this project should first take water and then connect the power supply during installation.
2.You should install this project vertically to ensure a long service time.
Similar items with 4 stars and above
LOUTYTUO Louytuo 3kW at 110V Mini Electric Tankless Instant Hot Water Heater with LCD Display and Remote Control（Install Undersink for Hand/Face/Dishes Washing only
- Portabel Size: Product dimension: 20*13.7*6.4cm/7.8×5.4×2.5″, save space for your bathroom or kitchen.（Note: Not for shower purpose,only designed to install under bathroom or kitchen sink for washing hand, dishes, food, clothes …)
- Instant Hot Water: Equipped with powerful 3kW heating element, can heat water to 28-58 degrees in about 3 seconds, no need to preheat before using.
- 360 Degree Installation: Lightweight and compact designed, can be floor, shelf or wall-mounted on any place close to outlet vertically,inverted,orizontally,obliquely.
- Remote Control: Long remote control distance:3m,designed for installation under sink, no need approach heater and press display button.
- LCD Digital Temperature Display: Can transmit temperature in real time and displayed on screen, make water temperature clear at a glance.
Specification:
Material: Stainless Steel Shell
Power: 3000W
Current: 25-32A
Voltage: 110V
Rated Frequency: 60Hz
Rated Pressure: 0.4-0.6Mpa
Waterproof Grade: IPX4
Temperature: 28-58℃(Considering the use environment in severe cold areas may not reach the maximum temperature of 55℃)
Installation wire diameter: 1.5-2.5mm2 copper wire
Water pipe interface: G 1/2″ interface
Size: Approx. 20 x 10.5cm / 7.87 x 4.13inch
Packing list:
1 x Water Heater
1 x Remote Control
2 x Fixing Screws
1 x US Plug
1 x Manual
Note:
1.The unit is mainly for sinks, not for shower purpose.
2. Make sure that let cold water go through this heater before power on,it is just for first use
3.All tankless water heater are sized based on flow rate and temperature rise,so if you equire a high temperature rise, it will be more limited water flow speed
(If you adjust heat water temperature to 45, but outlet water temperature is far from that,then reduce water flow.）
Similar items with 4 stars and above
Bosch Electric Tankless Water Heater – Eliminate Time for Hot Water – Easy Installation
- CONVENIENT TANKLESS HOT WATER HEATER: 7. 2 kW output tank less electric water heater eliminates long waits for hot water at point-of-use
- EASY INSTALLATION: Easily install under any bathroom or kitchen sink and get on demand hot water at your every need
- SPACE SAVING: Mounts on wall vertically or horizontally and is space saving, ultra-compact, and lightweight
- IMPORTANT INFORMATION: Unit operates on 220-Volt at 84-Percent of capacity and on 208-Volt at 75-Percent of capacity
- GREAT EFFICIENCY: 98% efficient with minimal stand-by loss. Water pressure range of 10-150 PSI
- 30 A
Product Description
The Bosch US7 Tronic 3000 electric tankless water heater is designed to provide an endless supply of hot water to kitchen, bathroom, and handwashing sinks. This 7.2 kW electric heater eliminates long waits for hot water by using a dual chambered copper heat exchanger. The unit runs at 98% thermal efficiency, so stand-by loss is therefore minimal. Plus, it mounts on the wall in any direction and is compact and lightweight, making it a great choice for a variety of spaces. This item requires professional installation and hardwiring. With its top performance specifications and versatility, the US7 Tronic 3000 is a great way to get the hot water going in kitchens, offices, at warehouses, service stations, stores, and concession stands.
From the Manufacturer
Ultra compact and lightweight, these five point-of-use / under-sink tankless water heaters were designed to provide an endless supply of hot water for 1 kitchen and / or bathroom sink at a time in commercial, industrial, and residential applications. Advantages include 98 % efficiency with minimal stand-by loss. Most models come equipped with high / low kW settings and universal horizontal / vertical mounting options.
Similar items with 4 stars and above
Thermoflow Electric Tankless Water Heater, Point of Use Hot Water Heater for Sinks, 3.5kW at 240 Volts, Wall Mounted
- ➤ TANKLESS – Save up to 60% on your water heating cost with an Thermoflow electric tankless water heater .Distribution, start-up and technical systems losses as well as circulation and storage losses are eliminated.
- ➤ ENDLESS HOT WATER – No need to preheat before using.As soon as you open the tap, the water flows with your desired temperature.High efficient,saving energy.
- ➤ COMPACT DESIGN – Super compact designed, even smaller than a shoe box .Wall-mounted design frees up floor space for more storage, easy to install into washbasin and other tight spaces!
- ➤ EXCEPTIONALITY DURABLE – Instant hot water thanks to rapid and maintenance-free bare wire heating systems. High quality alloy bare heating element has good corrode resistance and acid-resisting,with longer lifespan, instantaneous heating efficiency up to 99%.
- ➤ NOTES – Please verify that this model is the right size for your hot water needs and electrical requirements before purchase & installation. Dimensions:7.6″ x 5.4″ x 2.6″
- Weight: 1.8 lbs
- Pipes fittings :1/2” NPT, Electrical requirements: 3.5 kW, 240 volts, Nominal pressure: 90PSI. Nominal current:20A. Required breakers:1x 2-POLE 25A. Required wire: 1 x 12 AWG . ( Breakers and wire are NOT included )
FEATURES –
◆ Saves Energy and Money
The Thermoflow Elex 3.5 electric tankless water heater is adopt to advanced technology of Germany.Changing to this Elex 3.5 means there are no standby losses. No need to preheat before using, the hot water will come out from the heater instantly after you turn on the water heater,you only need to stop it immediately after using,no any waste for water or electricity.
◆ Unlimited Hot Water
Instant hot water thanks to rapid and maintenance-free bare wire heating systems.Because a Thermoflow heats water only when it is used, and for as long as it is needed, there is an endless supply of hot water. Nobody runs out of hot water .
◆ Space Saving
A Thermoflow Elex 3.5 tankless water heater completely replaces a conventional tank heater, yet takes up considerably less space, saving valuable living space and providing endless hot water on demand.
◆ Two Options for Applications
The Elex3.5 model can be used for two different applications:Act as primary heater, just connect the inlet with cold water directly, and connect the outlet with mix tap; Act as booster heater, just connect the inlet with the outlet of storage tank,and connect the outlet with mix tap, more fast heating, higher flow rate, saving your time.
USING TIPS –
- The device must be filled with water before connection to the electrical supply!
- Make sure the min pressure of your water supply system reaches 7.3 PSI.
- Please read the instruction manual carefully before you install or using the water heater !
PACKAGE INCLUDES –
1X Thermoflow 3.5kW electric tankless water heater
1X plastic bracket
1X bag of installation accessories (2 gaskets,2 anchors,2 screws)
1X instruction manual
Inquiry & aftersales service: [email protected]
Hotline:＋1（844）334-4203
Ecosmart POU 3.5 Point of Use Electric Tankless Water Heater, 3.5KW@120-Volt
Product Description
This electric tankless water heater is a true Point of Use Model because it is specifically designed for under the sink, single applications with a maximum flow rate of 0.5-Gallon per minute (gpm) and includes a 0.5 gpm sink aerator. This heater is flow controlled, meaning the temperature will adjust according to flow rate. It is the smallest sized Ecosmart electric tankless model and should not be used to run anything more than one sink at a time or used in areas where inlet water temperature is lower than 57°F. At this inlet temperature the ECO POU 3.5 can heat 0.5 gallons per minute to 105°F. Its compact size allows for under the sink installations. The Point of Use models are ideal for: Wet Bars, Strip Malls, Doctor’s Office, Boats, Recreational Vehicles (RVs), Bathroom Sinks. When sized properly this water heater will provide endless hot water. Prior to purchase and installation please verify this model is the right size for the expected demand and electrical requirements. The Eco POU 3.5 requires a minimum 100 amp electrical panel for installation with (1) 30 amp single pole breaker connected to #10 awg wire. Plumbing connections are 1/2″ NPT. For additional assistance please feel free to contact our support center at 877-474-6473. TROUBLE SHOOTING STEP: When the water is not hot enough, please slow down the flow of water to increase temperature!
From the Manufacturer
This electric tankless water heater is a true Point of Use Model because it is specifically designed for under the sink, single applications with a maximum flow rate of 0.5-Gallon per minute (gpm) and includes a 0.5 gpm sink aerator. Its compact size allows for under the sink installations. The Point of Use models are ideal for: Wet Bars, Strip Malls, Doctor’s Office, Boats, Recreational Vehicles (RVs), Bathroom Sinks. Prior to purchase and installation please verify this model is the rights size for your hot water needs and electrical requirements.
Conclusion
By our suggestions above, we hope that you can found undersink hot water heaters for you.Please don’t forget to share your experience by comment in this post. Thank you!
